825224 has 16 divisors (see below), whose sum is σ = 1601100. Its totient is φ = 398272.

The previous prime is 825203. The next prime is 825229. The reversal of 825224 is 422528.

It can be written as a sum of positive squares in 2 ways, for example, as 792100 + 33124 = 890^2 + 182^2 .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 825224.

It is not an unprimeable number, because it can be changed into a prime (825229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1547 + ... + 2010.

2⁸²⁵²²⁴ is an apocalyptic number.

It is an amenable number.

825224 is a deficient number, since it is larger than the sum of its proper divisors (775876).

825224 is a wasteful number, since it uses less digits than its factorization.

825224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592 (or 3588 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 825224 is about 908.4184058021. The cubic root of 825224 is about 93.7973603669.

The spelling of 825224 in words is "eight hundred twenty-five thousand, two hundred twenty-four".